| 缩写 | 全称 | 中文释义 |
|---|---|---|
| OA | Odessa American | 敖德萨美国人 |
| OA | Old Age | 晚年 |
| OA | OsteoArthritis | 骨关节炎 |
| OA | Operations Agreement | 经营协议 |
| OA | Operational Aft (DSC or MOM) | 机尾操作（DSC或MOM） |
| OA | Other Auctions | 其他拍卖 |
| OA | oligoastrocytoma | 少星形细胞瘤 |
| OA | Office of Administration | 行政办公室 |
| OA | Object Address | 对象地址 |
| OA | Ovarian Artery | 卵巢动脉 |